Facilitating the estimation, review the estimates, and communicate to all the stakeholders using Scrum ceremonies.
Facilitating Product backlog grooming to ensure the team always has a healthy product backlog.
Use of DOR- Definition of Ready concept, to ensure that all the bases are covered when product backlog grooming is carried out.
Facilitating sprint planning to set the sprint goal or objective.
Facilitating detailed planning - breakdown stories into tasks and ensure the team has separated the stories into tasks, as this will enable the team to consider everything that should be done to finish the stories.